drivers/target/target_core_stat.c

   1 /*******************************************************************************
   2  * Filename:  target_core_stat.c
   3  *
   4  * Copyright (c) 2011 Rising Tide Systems
   5  * Copyright (c) 2011 Linux-iSCSI.org
   6  *
   7  * Modern ConfigFS group context specific statistics based on original
   8  * target_core_mib.c code
   9  *
  10  * Copyright (c) 2006-2007 SBE, Inc.  All Rights Reserved.
  11  *
  12  * Nicholas A. Bellinger <nab@linux-iscsi.org>
  13  *
  14  * This program is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * This program is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with this program; if not, write to the Free Software
  26  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  *
  28  ******************************************************************************/
  29
  30 #include <linux/kernel.h>
  31 #include <linux/module.h>
  32 #include <linux/delay.h>
  33 #include <linux/timer.h>
  34 #include <linux/string.h>
  35 #include <linux/version.h>
  36 #include <generated/utsrelease.h>
  37 #include <linux/utsname.h>
  38 #include <linux/proc_fs.h>
  39 #include <linux/seq_file.h>
  40 #include <linux/blkdev.h>
  41 #include <linux/configfs.h>
  42 #include <scsi/scsi.h>
  43 #include <scsi/scsi_device.h>
  44 #include <scsi/scsi_host.h>
  45
  46 #include <target/target_core_base.h>
  47 #include <target/target_core_transport.h>
  48 #include <target/target_core_fabric_ops.h>
  49 #include <target/target_core_configfs.h>
  50 #include <target/configfs_macros.h>
  51
  52 #include "target_core_hba.h"
  53
  54 #ifndef INITIAL_JIFFIES
  55 #define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
  56 #endif
  57
  58 #define NONE            "None"
  59 #define ISPRINT(a)   ((a >= ' ') && (a <= '~'))
  60
  61 #define SCSI_LU_INDEX                   1
  62 #define LU_COUNT                        1
  63
  64 /*
  65  * SCSI Device Table
  66  */
  67
  68 CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
  69 #define DEV_STAT_SCSI_DEV_ATTR(_name, _mode)                            \
  70 static struct target_stat_scsi_dev_attribute                            \
  71                         target_stat_scsi_dev_##_name =                  \
  72         __CONFIGFS_EATTR(_name, _mode,                                  \
  73         target_stat_scsi_dev_show_attr_##_name,                         \
  74         target_stat_scsi_dev_store_attr_##_name);
  75
  76 #define DEV_STAT_SCSI_DEV_ATTR_RO(_name)                                \
  77 static struct target_stat_scsi_dev_attribute                            \
  78                         target_stat_scsi_dev_##_name =                  \
  79         __CONFIGFS_EATTR_RO(_name,                                      \
  80         target_stat_scsi_dev_show_attr_##_name);
  81
  82 static ssize_t target_stat_scsi_dev_show_attr_inst(
  83         struct se_dev_stat_grps *sgrps, char *page)
  84 {
  85         struct se_subsystem_dev *se_subdev = container_of(sgrps,
  86                         struct se_subsystem_dev, dev_stat_grps);
  87         struct se_hba *hba = se_subdev->se_dev_hba;
  88         struct se_device *dev = se_subdev->se_dev_ptr;
  89
  90         if (!dev)
  91                 return -ENODEV;
  92
  93         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
  94 }
  95 DEV_STAT_SCSI_DEV_ATTR_RO(inst);
  96
  97 static ssize_t target_stat_scsi_dev_show_attr_indx(
  98         struct se_dev_stat_grps *sgrps, char *page)
  99 {
 100         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 101                         struct se_subsystem_dev, dev_stat_grps);
 102         struct se_device *dev = se_subdev->se_dev_ptr;
 103
 104         if (!dev)
 105                 return -ENODEV;
 106
 107         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 108 }
 109 DEV_STAT_SCSI_DEV_ATTR_RO(indx);
 110
 111 static ssize_t target_stat_scsi_dev_show_attr_role(
 112         struct se_dev_stat_grps *sgrps, char *page)
 113 {
 114         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 115                         struct se_subsystem_dev, dev_stat_grps);
 116         struct se_device *dev = se_subdev->se_dev_ptr;
 117
 118         if (!dev)
 119                 return -ENODEV;
 120
 121         return snprintf(page, PAGE_SIZE, "Target\n");
 122 }
 123 DEV_STAT_SCSI_DEV_ATTR_RO(role);
 124
 125 static ssize_t target_stat_scsi_dev_show_attr_ports(
 126         struct se_dev_stat_grps *sgrps, char *page)
 127 {
 128         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 129                         struct se_subsystem_dev, dev_stat_grps);
 130         struct se_device *dev = se_subdev->se_dev_ptr;
 131
 132         if (!dev)
 133                 return -ENODEV;
 134
 135         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
 136 }
 137 DEV_STAT_SCSI_DEV_ATTR_RO(ports);
 138
 139 CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
 140
 141 static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
 142         &target_stat_scsi_dev_inst.attr,
 143         &target_stat_scsi_dev_indx.attr,
 144         &target_stat_scsi_dev_role.attr,
 145         &target_stat_scsi_dev_ports.attr,
 146         NULL,
 147 };
 148
 149 static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
 150         .show_attribute         = target_stat_scsi_dev_attr_show,
 151         .store_attribute        = target_stat_scsi_dev_attr_store,
 152 };
 153
 154 static struct config_item_type target_stat_scsi_dev_cit = {
 155         .ct_item_ops            = &target_stat_scsi_dev_attrib_ops,
 156         .ct_attrs               = target_stat_scsi_dev_attrs,
 157         .ct_owner               = THIS_MODULE,
 158 };
 159
 160 /*
 161  * SCSI Target Device Table
 162  */
 163
 164 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
 165 #define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode)                        \
 166 static struct target_stat_scsi_tgt_dev_attribute                        \
 167                         target_stat_scsi_tgt_dev_##_name =              \
 168         __CONFIGFS_EATTR(_name, _mode,                                  \
 169         target_stat_scsi_tgt_dev_show_attr_##_name,                     \
 170         target_stat_scsi_tgt_dev_store_attr_##_name);
 171
 172 #define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name)                            \
 173 static struct target_stat_scsi_tgt_dev_attribute                        \
 174                         target_stat_scsi_tgt_dev_##_name =              \
 175         __CONFIGFS_EATTR_RO(_name,                                      \
 176         target_stat_scsi_tgt_dev_show_attr_##_name);
 177
 178 static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
 179         struct se_dev_stat_grps *sgrps, char *page)
 180 {
 181         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 182                         struct se_subsystem_dev, dev_stat_grps);
 183         struct se_hba *hba = se_subdev->se_dev_hba;
 184         struct se_device *dev = se_subdev->se_dev_ptr;
 185
 186         if (!dev)
 187                 return -ENODEV;
 188
 189         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 190 }
 191 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
 192
 193 static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
 194         struct se_dev_stat_grps *sgrps, char *page)
 195 {
 196         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 197                         struct se_subsystem_dev, dev_stat_grps);
 198         struct se_device *dev = se_subdev->se_dev_ptr;
 199
 200         if (!dev)
 201                 return -ENODEV;
 202
 203         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 204 }
 205 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
 206
 207 static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
 208         struct se_dev_stat_grps *sgrps, char *page)
 209 {
 210         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 211                         struct se_subsystem_dev, dev_stat_grps);
 212         struct se_device *dev = se_subdev->se_dev_ptr;
 213
 214         if (!dev)
 215                 return -ENODEV;
 216
 217         return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
 218 }
 219 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
 220
 221 static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
 222         struct se_dev_stat_grps *sgrps, char *page)
 223 {
 224         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 225                         struct se_subsystem_dev, dev_stat_grps);
 226         struct se_device *dev = se_subdev->se_dev_ptr;
 227         char status[16];
 228
 229         if (!dev)
 230                 return -ENODEV;
 231
 232         switch (dev->dev_status) {
 233         case TRANSPORT_DEVICE_ACTIVATED:
 234                 strcpy(status, "activated");
 235                 break;
 236         case TRANSPORT_DEVICE_DEACTIVATED:
 237                 strcpy(status, "deactivated");
 238                 break;
 239         case TRANSPORT_DEVICE_SHUTDOWN:
 240                 strcpy(status, "shutdown");
 241                 break;
 242         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
 243         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
 244                 strcpy(status, "offline");
 245                 break;
 246         default:
 247                 sprintf(status, "unknown(%d)", dev->dev_status);
 248                 break;
 249         }
 250
 251         return snprintf(page, PAGE_SIZE, "%s\n", status);
 252 }
 253 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
 254
 255 static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
 256         struct se_dev_stat_grps *sgrps, char *page)
 257 {
 258         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 259                         struct se_subsystem_dev, dev_stat_grps);
 260         struct se_device *dev = se_subdev->se_dev_ptr;
 261         int non_accessible_lus;
 262
 263         if (!dev)
 264                 return -ENODEV;
 265
 266         switch (dev->dev_status) {
 267         case TRANSPORT_DEVICE_ACTIVATED:
 268                 non_accessible_lus = 0;
 269                 break;
 270         case TRANSPORT_DEVICE_DEACTIVATED:
 271         case TRANSPORT_DEVICE_SHUTDOWN:
 272         case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
 273         case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
 274         default:
 275                 non_accessible_lus = 1;
 276                 break;
 277         }
 278
 279         return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
 280 }
 281 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
 282
 283 static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
 284         struct se_dev_stat_grps *sgrps, char *page)
 285 {
 286         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 287                         struct se_subsystem_dev, dev_stat_grps);
 288         struct se_device *dev = se_subdev->se_dev_ptr;
 289
 290         if (!dev)
 291                 return -ENODEV;
 292
 293         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
 294 }
 295 DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
 296
 297
 298 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
 299
 300 static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
 301         &target_stat_scsi_tgt_dev_inst.attr,
 302         &target_stat_scsi_tgt_dev_indx.attr,
 303         &target_stat_scsi_tgt_dev_num_lus.attr,
 304         &target_stat_scsi_tgt_dev_status.attr,
 305         &target_stat_scsi_tgt_dev_non_access_lus.attr,
 306         &target_stat_scsi_tgt_dev_resets.attr,
 307         NULL,
 308 };
 309
 310 static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
 311         .show_attribute         = target_stat_scsi_tgt_dev_attr_show,
 312         .store_attribute        = target_stat_scsi_tgt_dev_attr_store,
 313 };
 314
 315 static struct config_item_type target_stat_scsi_tgt_dev_cit = {
 316         .ct_item_ops            = &target_stat_scsi_tgt_dev_attrib_ops,
 317         .ct_attrs               = target_stat_scsi_tgt_dev_attrs,
 318         .ct_owner               = THIS_MODULE,
 319 };
 320
 321 /*
 322  * SCSI Logical Unit Table
 323  */
 324
 325 CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
 326 #define DEV_STAT_SCSI_LU_ATTR(_name, _mode)                             \
 327 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
 328         __CONFIGFS_EATTR(_name, _mode,                                  \
 329         target_stat_scsi_lu_show_attr_##_name,                          \
 330         target_stat_scsi_lu_store_attr_##_name);
 331
 332 #define DEV_STAT_SCSI_LU_ATTR_RO(_name)                                 \
 333 static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
 334         __CONFIGFS_EATTR_RO(_name,                                      \
 335         target_stat_scsi_lu_show_attr_##_name);
 336
 337 static ssize_t target_stat_scsi_lu_show_attr_inst(
 338         struct se_dev_stat_grps *sgrps, char *page)
 339 {
 340         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 341                         struct se_subsystem_dev, dev_stat_grps);
 342         struct se_hba *hba = se_subdev->se_dev_hba;
 343         struct se_device *dev = se_subdev->se_dev_ptr;
 344
 345         if (!dev)
 346                 return -ENODEV;
 347
 348         return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 349 }
 350 DEV_STAT_SCSI_LU_ATTR_RO(inst);
 351
 352 static ssize_t target_stat_scsi_lu_show_attr_dev(
 353         struct se_dev_stat_grps *sgrps, char *page)
 354 {
 355         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 356                         struct se_subsystem_dev, dev_stat_grps);
 357         struct se_device *dev = se_subdev->se_dev_ptr;
 358
 359         if (!dev)
 360                 return -ENODEV;
 361
 362         return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 363 }
 364 DEV_STAT_SCSI_LU_ATTR_RO(dev);
 365
 366 static ssize_t target_stat_scsi_lu_show_attr_indx(
 367         struct se_dev_stat_grps *sgrps, char *page)
 368 {
 369         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 370                         struct se_subsystem_dev, dev_stat_grps);
 371         struct se_device *dev = se_subdev->se_dev_ptr;
 372
 373         if (!dev)
 374                 return -ENODEV;
 375
 376         return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
 377 }
 378 DEV_STAT_SCSI_LU_ATTR_RO(indx);
 379
 380 static ssize_t target_stat_scsi_lu_show_attr_lun(
 381         struct se_dev_stat_grps *sgrps, char *page)
 382 {
 383         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 384                         struct se_subsystem_dev, dev_stat_grps);
 385         struct se_device *dev = se_subdev->se_dev_ptr;
 386
 387         if (!dev)
 388                 return -ENODEV;
 389         /* FIXME: scsiLuDefaultLun */
 390         return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
 391 }
 392 DEV_STAT_SCSI_LU_ATTR_RO(lun);
 393
 394 static ssize_t target_stat_scsi_lu_show_attr_lu_name(
 395         struct se_dev_stat_grps *sgrps, char *page)
 396 {
 397         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 398                         struct se_subsystem_dev, dev_stat_grps);
 399         struct se_device *dev = se_subdev->se_dev_ptr;
 400
 401         if (!dev)
 402                 return -ENODEV;
 403         /* scsiLuWwnName */
 404         return snprintf(page, PAGE_SIZE, "%s\n",
 405                         (strlen(DEV_T10_WWN(dev)->unit_serial)) ?
 406                         (char *)&DEV_T10_WWN(dev)->unit_serial[0] : "None");
 407 }
 408 DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
 409
 410 static ssize_t target_stat_scsi_lu_show_attr_vend(
 411         struct se_dev_stat_grps *sgrps, char *page)
 412 {
 413         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 414                         struct se_subsystem_dev, dev_stat_grps);
 415         struct se_device *dev = se_subdev->se_dev_ptr;
 416         int j;
 417         char str[28];
 418
 419         if (!dev)
 420                 return -ENODEV;
 421         /* scsiLuVendorId */
 422         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
 423         for (j = 0; j < 8; j++)
 424                 str[j] = ISPRINT(DEV_T10_WWN(dev)->vendor[j]) ?
 425                                 DEV_T10_WWN(dev)->vendor[j] : 0x20;
 426         str[8] = 0;
 427         return snprintf(page, PAGE_SIZE, "%s\n", str);
 428 }
 429 DEV_STAT_SCSI_LU_ATTR_RO(vend);
 430
 431 static ssize_t target_stat_scsi_lu_show_attr_prod(
 432         struct se_dev_stat_grps *sgrps, char *page)
 433 {
 434         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 435                         struct se_subsystem_dev, dev_stat_grps);
 436         struct se_device *dev = se_subdev->se_dev_ptr;
 437         int j;
 438         char str[28];
 439
 440         if (!dev)
 441                 return -ENODEV;
 442
 443         /* scsiLuProductId */
 444         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
 445         for (j = 0; j < 16; j++)
 446                 str[j] = ISPRINT(DEV_T10_WWN(dev)->model[j]) ?
 447                                 DEV_T10_WWN(dev)->model[j] : 0x20;
 448         str[16] = 0;
 449         return snprintf(page, PAGE_SIZE, "%s\n", str);
 450 }
 451 DEV_STAT_SCSI_LU_ATTR_RO(prod);
 452
 453 static ssize_t target_stat_scsi_lu_show_attr_rev(
 454         struct se_dev_stat_grps *sgrps, char *page)
 455 {
 456         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 457                         struct se_subsystem_dev, dev_stat_grps);
 458         struct se_device *dev = se_subdev->se_dev_ptr;
 459         int j;
 460         char str[28];
 461
 462         if (!dev)
 463                 return -ENODEV;
 464
 465         /* scsiLuRevisionId */
 466         memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
 467         for (j = 0; j < 4; j++)
 468                 str[j] = ISPRINT(DEV_T10_WWN(dev)->revision[j]) ?
 469                                 DEV_T10_WWN(dev)->revision[j] : 0x20;
 470         str[4] = 0;
 471         return snprintf(page, PAGE_SIZE, "%s\n", str);
 472 }
 473 DEV_STAT_SCSI_LU_ATTR_RO(rev);
 474
 475 static ssize_t target_stat_scsi_lu_show_attr_dev_type(
 476         struct se_dev_stat_grps *sgrps, char *page)
 477 {
 478         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 479                         struct se_subsystem_dev, dev_stat_grps);
 480         struct se_device *dev = se_subdev->se_dev_ptr;
 481
 482         if (!dev)
 483                 return -ENODEV;
 484
 485         /* scsiLuPeripheralType */
 486         return snprintf(page, PAGE_SIZE, "%u\n",
 487                         TRANSPORT(dev)->get_device_type(dev));
 488 }
 489 DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
 490
 491 static ssize_t target_stat_scsi_lu_show_attr_status(
 492         struct se_dev_stat_grps *sgrps, char *page)
 493 {
 494         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 495                         struct se_subsystem_dev, dev_stat_grps);
 496         struct se_device *dev = se_subdev->se_dev_ptr;
 497
 498         if (!dev)
 499                 return -ENODEV;
 500
 501         /* scsiLuStatus */
 502         return snprintf(page, PAGE_SIZE, "%s\n",
 503                 (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
 504                 "available" : "notavailable");
 505 }
 506 DEV_STAT_SCSI_LU_ATTR_RO(status);
 507
 508 static ssize_t target_stat_scsi_lu_show_attr_state_bit(
 509         struct se_dev_stat_grps *sgrps, char *page)
 510 {
 511         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 512                         struct se_subsystem_dev, dev_stat_grps);
 513         struct se_device *dev = se_subdev->se_dev_ptr;
 514
 515         if (!dev)
 516                 return -ENODEV;
 517
 518         /* scsiLuState */
 519         return snprintf(page, PAGE_SIZE, "exposed\n");
 520 }
 521 DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
 522
 523 static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
 524         struct se_dev_stat_grps *sgrps, char *page)
 525 {
 526         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 527                         struct se_subsystem_dev, dev_stat_grps);
 528         struct se_device *dev = se_subdev->se_dev_ptr;
 529
 530         if (!dev)
 531                 return -ENODEV;
 532
 533         /* scsiLuNumCommands */
 534         return snprintf(page, PAGE_SIZE, "%llu\n",
 535                         (unsigned long long)dev->num_cmds);
 536 }
 537 DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
 538
 539 static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
 540         struct se_dev_stat_grps *sgrps, char *page)
 541 {
 542         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 543                         struct se_subsystem_dev, dev_stat_grps);
 544         struct se_device *dev = se_subdev->se_dev_ptr;
 545
 546         if (!dev)
 547                 return -ENODEV;
 548
 549         /* scsiLuReadMegaBytes */
 550         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->read_bytes >> 20));
 551 }
 552 DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
 553
 554 static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
 555         struct se_dev_stat_grps *sgrps, char *page)
 556 {
 557         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 558                         struct se_subsystem_dev, dev_stat_grps);
 559         struct se_device *dev = se_subdev->se_dev_ptr;
 560
 561         if (!dev)
 562                 return -ENODEV;
 563
 564         /* scsiLuWrittenMegaBytes */
 565         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->write_bytes >> 20));
 566 }
 567 DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
 568
 569 static ssize_t target_stat_scsi_lu_show_attr_resets(
 570         struct se_dev_stat_grps *sgrps, char *page)
 571 {
 572         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 573                         struct se_subsystem_dev, dev_stat_grps);
 574         struct se_device *dev = se_subdev->se_dev_ptr;
 575
 576         if (!dev)
 577                 return -ENODEV;
 578
 579         /* scsiLuInResets */
 580         return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
 581 }
 582 DEV_STAT_SCSI_LU_ATTR_RO(resets);
 583
 584 static ssize_t target_stat_scsi_lu_show_attr_full_stat(
 585         struct se_dev_stat_grps *sgrps, char *page)
 586 {
 587         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 588                         struct se_subsystem_dev, dev_stat_grps);
 589         struct se_device *dev = se_subdev->se_dev_ptr;
 590
 591         if (!dev)
 592                 return -ENODEV;
 593
 594         /* FIXME: scsiLuOutTaskSetFullStatus */
 595         return snprintf(page, PAGE_SIZE, "%u\n", 0);
 596 }
 597 DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
 598
 599 static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
 600         struct se_dev_stat_grps *sgrps, char *page)
 601 {
 602         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 603                         struct se_subsystem_dev, dev_stat_grps);
 604         struct se_device *dev = se_subdev->se_dev_ptr;
 605
 606         if (!dev)
 607                 return -ENODEV;
 608
 609         /* FIXME: scsiLuHSInCommands */
 610         return snprintf(page, PAGE_SIZE, "%u\n", 0);
 611 }
 612 DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
 613
 614 static ssize_t target_stat_scsi_lu_show_attr_creation_time(
 615         struct se_dev_stat_grps *sgrps, char *page)
 616 {
 617         struct se_subsystem_dev *se_subdev = container_of(sgrps,
 618                         struct se_subsystem_dev, dev_stat_grps);
 619         struct se_device *dev = se_subdev->se_dev_ptr;
 620
 621         if (!dev)
 622                 return -ENODEV;
 623
 624         /* scsiLuCreationTime */
 625         return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
 626                                 INITIAL_JIFFIES) * 100 / HZ));
 627 }
 628 DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
 629
 630 CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
 631
 632 static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
 633         &target_stat_scsi_lu_inst.attr,
 634         &target_stat_scsi_lu_dev.attr,
 635         &target_stat_scsi_lu_indx.attr,
 636         &target_stat_scsi_lu_lun.attr,
 637         &target_stat_scsi_lu_lu_name.attr,
 638         &target_stat_scsi_lu_vend.attr,
 639         &target_stat_scsi_lu_prod.attr,
 640         &target_stat_scsi_lu_rev.attr,
 641         &target_stat_scsi_lu_dev_type.attr,
 642         &target_stat_scsi_lu_status.attr,
 643         &target_stat_scsi_lu_state_bit.attr,
 644         &target_stat_scsi_lu_num_cmds.attr,
 645         &target_stat_scsi_lu_read_mbytes.attr,
 646         &target_stat_scsi_lu_write_mbytes.attr,
 647         &target_stat_scsi_lu_resets.attr,
 648         &target_stat_scsi_lu_full_stat.attr,
 649         &target_stat_scsi_lu_hs_num_cmds.attr,
 650         &target_stat_scsi_lu_creation_time.attr,
 651         NULL,
 652 };
 653
 654 static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
 655         .show_attribute         = target_stat_scsi_lu_attr_show,
 656         .store_attribute        = target_stat_scsi_lu_attr_store,
 657 };
 658
 659 static struct config_item_type target_stat_scsi_lu_cit = {
 660         .ct_item_ops            = &target_stat_scsi_lu_attrib_ops,
 661         .ct_attrs               = target_stat_scsi_lu_attrs,
 662         .ct_owner               = THIS_MODULE,
 663 };
 664
 665 /*
 666  * Called from target_core_configfs.c:target_core_make_subdev() to setup
 667  * the target statistics groups + configfs CITs located in target_core_stat.c
 668  */
 669 void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
 670 {
 671         struct config_group *dev_stat_grp = &DEV_STAT_GRP(se_subdev)->stat_group;
 672
 673         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_dev_group,
 674                         "scsi_dev", &target_stat_scsi_dev_cit);
 675         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group,
 676                         "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
 677         config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_lu_group,
 678                         "scsi_lu", &target_stat_scsi_lu_cit);
 679
 680         dev_stat_grp->default_groups[0] = &DEV_STAT_GRP(se_subdev)->scsi_dev_group;
 681         dev_stat_grp->default_groups[1] = &DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group;
 682         dev_stat_grp->default_groups[2] = &DEV_STAT_GRP(se_subdev)->scsi_lu_group;
 683         dev_stat_grp->default_groups[3] = NULL;
 684 }
 685
 686 /*
 687  * SCSI Port Table
 688  */
 689
 690 CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
 691 #define DEV_STAT_SCSI_PORT_ATTR(_name, _mode)                           \
 692 static struct target_stat_scsi_port_attribute                           \
 693                         target_stat_scsi_port_##_name =                 \
 694         __CONFIGFS_EATTR(_name, _mode,                                  \
 695         target_stat_scsi_port_show_attr_##_name,                        \
 696         target_stat_scsi_port_store_attr_##_name);
 697
 698 #define DEV_STAT_SCSI_PORT_ATTR_RO(_name)                               \
 699 static struct target_stat_scsi_port_attribute                           \
 700                         target_stat_scsi_port_##_name =                 \
 701         __CONFIGFS_EATTR_RO(_name,                                      \
 702         target_stat_scsi_port_show_attr_##_name);
 703
 704 static ssize_t target_stat_scsi_port_show_attr_inst(
 705         struct se_port_stat_grps *pgrps, char *page)
 706 {
 707         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 708         struct se_port *sep;
 709         struct se_device *dev = lun->lun_se_dev;
 710         struct se_hba *hba;
 711         ssize_t ret;
 712
 713         spin_lock(&lun->lun_sep_lock);
 714         sep = lun->lun_sep;
 715         if (!sep) {
 716                 spin_unlock(&lun->lun_sep_lock);
 717                 return -ENODEV;
 718         }
 719         hba = dev->se_hba;
 720         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 721         spin_unlock(&lun->lun_sep_lock);
 722         return ret;
 723 }
 724 DEV_STAT_SCSI_PORT_ATTR_RO(inst);
 725
 726 static ssize_t target_stat_scsi_port_show_attr_dev(
 727         struct se_port_stat_grps *pgrps, char *page)
 728 {
 729         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 730         struct se_port *sep;
 731         struct se_device *dev = lun->lun_se_dev;
 732         ssize_t ret;
 733
 734         spin_lock(&lun->lun_sep_lock);
 735         sep = lun->lun_sep;
 736         if (!sep) {
 737                 spin_unlock(&lun->lun_sep_lock);
 738                 return -ENODEV;
 739         }
 740         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 741         spin_unlock(&lun->lun_sep_lock);
 742         return ret;
 743 }
 744 DEV_STAT_SCSI_PORT_ATTR_RO(dev);
 745
 746 static ssize_t target_stat_scsi_port_show_attr_indx(
 747         struct se_port_stat_grps *pgrps, char *page)
 748 {
 749         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 750         struct se_port *sep;
 751         ssize_t ret;
 752
 753         spin_lock(&lun->lun_sep_lock);
 754         sep = lun->lun_sep;
 755         if (!sep) {
 756                 spin_unlock(&lun->lun_sep_lock);
 757                 return -ENODEV;
 758         }
 759         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
 760         spin_unlock(&lun->lun_sep_lock);
 761         return ret;
 762 }
 763 DEV_STAT_SCSI_PORT_ATTR_RO(indx);
 764
 765 static ssize_t target_stat_scsi_port_show_attr_role(
 766         struct se_port_stat_grps *pgrps, char *page)
 767 {
 768         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 769         struct se_device *dev = lun->lun_se_dev;
 770         struct se_port *sep;
 771         ssize_t ret;
 772
 773         if (!dev)
 774                 return -ENODEV;
 775
 776         spin_lock(&lun->lun_sep_lock);
 777         sep = lun->lun_sep;
 778         if (!sep) {
 779                 spin_unlock(&lun->lun_sep_lock);
 780                 return -ENODEV;
 781         }
 782         ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
 783         spin_unlock(&lun->lun_sep_lock);
 784         return ret;
 785 }
 786 DEV_STAT_SCSI_PORT_ATTR_RO(role);
 787
 788 static ssize_t target_stat_scsi_port_show_attr_busy_count(
 789         struct se_port_stat_grps *pgrps, char *page)
 790 {
 791         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 792         struct se_port *sep;
 793         ssize_t ret;
 794
 795         spin_lock(&lun->lun_sep_lock);
 796         sep = lun->lun_sep;
 797         if (!sep) {
 798                 spin_unlock(&lun->lun_sep_lock);
 799                 return -ENODEV;
 800         }
 801         /* FIXME: scsiPortBusyStatuses  */
 802         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
 803         spin_unlock(&lun->lun_sep_lock);
 804         return ret;
 805 }
 806 DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
 807
 808 CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
 809
 810 static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
 811         &target_stat_scsi_port_inst.attr,
 812         &target_stat_scsi_port_dev.attr,
 813         &target_stat_scsi_port_indx.attr,
 814         &target_stat_scsi_port_role.attr,
 815         &target_stat_scsi_port_busy_count.attr,
 816         NULL,
 817 };
 818
 819 static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
 820         .show_attribute         = target_stat_scsi_port_attr_show,
 821         .store_attribute        = target_stat_scsi_port_attr_store,
 822 };
 823
 824 static struct config_item_type target_stat_scsi_port_cit = {
 825         .ct_item_ops            = &target_stat_scsi_port_attrib_ops,
 826         .ct_attrs               = target_stat_scsi_port_attrs,
 827         .ct_owner               = THIS_MODULE,
 828 };
 829
 830 /*
 831  * SCSI Target Port Table
 832  */
 833 CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
 834 #define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode)                       \
 835 static struct target_stat_scsi_tgt_port_attribute                       \
 836                         target_stat_scsi_tgt_port_##_name =             \
 837         __CONFIGFS_EATTR(_name, _mode,                                  \
 838         target_stat_scsi_tgt_port_show_attr_##_name,                    \
 839         target_stat_scsi_tgt_port_store_attr_##_name);
 840
 841 #define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name)                           \
 842 static struct target_stat_scsi_tgt_port_attribute                       \
 843                         target_stat_scsi_tgt_port_##_name =             \
 844         __CONFIGFS_EATTR_RO(_name,                                      \
 845         target_stat_scsi_tgt_port_show_attr_##_name);
 846
 847 static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
 848         struct se_port_stat_grps *pgrps, char *page)
 849 {
 850         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 851         struct se_device *dev = lun->lun_se_dev;
 852         struct se_port *sep;
 853         struct se_hba *hba;
 854         ssize_t ret;
 855
 856         spin_lock(&lun->lun_sep_lock);
 857         sep = lun->lun_sep;
 858         if (!sep) {
 859                 spin_unlock(&lun->lun_sep_lock);
 860                 return -ENODEV;
 861         }
 862         hba = dev->se_hba;
 863         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
 864         spin_unlock(&lun->lun_sep_lock);
 865         return ret;
 866 }
 867 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
 868
 869 static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
 870         struct se_port_stat_grps *pgrps, char *page)
 871 {
 872         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 873         struct se_device *dev = lun->lun_se_dev;
 874         struct se_port *sep;
 875         ssize_t ret;
 876
 877         spin_lock(&lun->lun_sep_lock);
 878         sep = lun->lun_sep;
 879         if (!sep) {
 880                 spin_unlock(&lun->lun_sep_lock);
 881                 return -ENODEV;
 882         }
 883         ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
 884         spin_unlock(&lun->lun_sep_lock);
 885         return ret;
 886 }
 887 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
 888
 889 static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
 890         struct se_port_stat_grps *pgrps, char *page)
 891 {
 892         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 893         struct se_port *sep;
 894         ssize_t ret;
 895
 896         spin_lock(&lun->lun_sep_lock);
 897         sep = lun->lun_sep;
 898         if (!sep) {
 899                 spin_unlock(&lun->lun_sep_lock);
 900                 return -ENODEV;
 901         }
 902         ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
 903         spin_unlock(&lun->lun_sep_lock);
 904         return ret;
 905 }
 906 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
 907
 908 static ssize_t target_stat_scsi_tgt_port_show_attr_name(
 909         struct se_port_stat_grps *pgrps, char *page)
 910 {
 911         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 912         struct se_port *sep;
 913         struct se_portal_group *tpg;
 914         ssize_t ret;
 915
 916         spin_lock(&lun->lun_sep_lock);
 917         sep = lun->lun_sep;
 918         if (!sep) {
 919                 spin_unlock(&lun->lun_sep_lock);
 920                 return -ENODEV;
 921         }
 922         tpg = sep->sep_tpg;
 923
 924         ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
 925                 TPG_TFO(tpg)->get_fabric_name(), sep->sep_index);
 926         spin_unlock(&lun->lun_sep_lock);
 927         return ret;
 928 }
 929 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
 930
 931 static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
 932         struct se_port_stat_grps *pgrps, char *page)
 933 {
 934         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 935         struct se_port *sep;
 936         struct se_portal_group *tpg;
 937         ssize_t ret;
 938
 939         spin_lock(&lun->lun_sep_lock);
 940         sep = lun->lun_sep;
 941         if (!sep) {
 942                 spin_unlock(&lun->lun_sep_lock);
 943                 return -ENODEV;
 944         }
 945         tpg = sep->sep_tpg;
 946
 947         ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
 948                 TPG_TFO(tpg)->tpg_get_wwn(tpg), "+t+",
 949                 TPG_TFO(tpg)->tpg_get_tag(tpg));
 950         spin_unlock(&lun->lun_sep_lock);
 951         return ret;
 952 }
 953 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
 954
 955 static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
 956         struct se_port_stat_grps *pgrps, char *page)
 957 {
 958         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 959         struct se_port *sep;
 960         struct se_portal_group *tpg;
 961         ssize_t ret;
 962
 963         spin_lock(&lun->lun_sep_lock);
 964         sep = lun->lun_sep;
 965         if (!sep) {
 966                 spin_unlock(&lun->lun_sep_lock);
 967                 return -ENODEV;
 968         }
 969         tpg = sep->sep_tpg;
 970
 971         ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
 972         spin_unlock(&lun->lun_sep_lock);
 973         return ret;
 974 }
 975 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
 976
 977 static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
 978         struct se_port_stat_grps *pgrps, char *page)
 979 {
 980         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
 981         struct se_port *sep;
 982         struct se_portal_group *tpg;
 983         ssize_t ret;
 984
 985         spin_lock(&lun->lun_sep_lock);
 986         sep = lun->lun_sep;
 987         if (!sep) {
 988                 spin_unlock(&lun->lun_sep_lock);
 989                 return -ENODEV;
 990         }
 991         tpg = sep->sep_tpg;
 992
 993         ret = snprintf(page, PAGE_SIZE, "%u\n",
 994                         (u32)(sep->sep_stats.rx_data_octets >> 20));
 995         spin_unlock(&lun->lun_sep_lock);
 996         return ret;
 997 }
 998 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
 999
1000 static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
1001         struct se_port_stat_grps *pgrps, char *page)
1002 {
1003         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1004         struct se_port *sep;
1005         struct se_portal_group *tpg;
1006         ssize_t ret;
1007
1008         spin_lock(&lun->lun_sep_lock);
1009         sep = lun->lun_sep;
1010         if (!sep) {
1011                 spin_unlock(&lun->lun_sep_lock);
1012                 return -ENODEV;
1013         }
1014         tpg = sep->sep_tpg;
1015
1016         ret = snprintf(page, PAGE_SIZE, "%u\n",
1017                         (u32)(sep->sep_stats.tx_data_octets >> 20));
1018         spin_unlock(&lun->lun_sep_lock);
1019         return ret;
1020 }
1021 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
1022
1023 static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
1024         struct se_port_stat_grps *pgrps, char *page)
1025 {
1026         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1027         struct se_port *sep;
1028         struct se_portal_group *tpg;
1029         ssize_t ret;
1030
1031         spin_lock(&lun->lun_sep_lock);
1032         sep = lun->lun_sep;
1033         if (!sep) {
1034                 spin_unlock(&lun->lun_sep_lock);
1035                 return -ENODEV;
1036         }
1037         tpg = sep->sep_tpg;
1038
1039         /* FIXME: scsiTgtPortHsInCommands */
1040         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1041         spin_unlock(&lun->lun_sep_lock);
1042         return ret;
1043 }
1044 DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
1045
1046 CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
1047                 scsi_tgt_port_group);
1048
1049 static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
1050         &target_stat_scsi_tgt_port_inst.attr,
1051         &target_stat_scsi_tgt_port_dev.attr,
1052         &target_stat_scsi_tgt_port_indx.attr,
1053         &target_stat_scsi_tgt_port_name.attr,
1054         &target_stat_scsi_tgt_port_port_index.attr,
1055         &target_stat_scsi_tgt_port_in_cmds.attr,
1056         &target_stat_scsi_tgt_port_write_mbytes.attr,
1057         &target_stat_scsi_tgt_port_read_mbytes.attr,
1058         &target_stat_scsi_tgt_port_hs_in_cmds.attr,
1059         NULL,
1060 };
1061
1062 static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
1063         .show_attribute         = target_stat_scsi_tgt_port_attr_show,
1064         .store_attribute        = target_stat_scsi_tgt_port_attr_store,
1065 };
1066
1067 static struct config_item_type target_stat_scsi_tgt_port_cit = {
1068         .ct_item_ops            = &target_stat_scsi_tgt_port_attrib_ops,
1069         .ct_attrs               = target_stat_scsi_tgt_port_attrs,
1070         .ct_owner               = THIS_MODULE,
1071 };
1072
1073 /*
1074  * SCSI Transport Table
1075 o */
1076
1077 CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
1078 #define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode)                      \
1079 static struct target_stat_scsi_transport_attribute                      \
1080                         target_stat_scsi_transport_##_name =            \
1081         __CONFIGFS_EATTR(_name, _mode,                                  \
1082         target_stat_scsi_transport_show_attr_##_name,                   \
1083         target_stat_scsi_transport_store_attr_##_name);
1084
1085 #define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name)                          \
1086 static struct target_stat_scsi_transport_attribute                      \
1087                         target_stat_scsi_transport_##_name =            \
1088         __CONFIGFS_EATTR_RO(_name,                                      \
1089         target_stat_scsi_transport_show_attr_##_name);
1090
1091 static ssize_t target_stat_scsi_transport_show_attr_inst(
1092         struct se_port_stat_grps *pgrps, char *page)
1093 {
1094         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1095         struct se_device *dev = lun->lun_se_dev;
1096         struct se_port *sep;
1097         struct se_hba *hba;
1098         ssize_t ret;
1099
1100         spin_lock(&lun->lun_sep_lock);
1101         sep = lun->lun_sep;
1102         if (!sep) {
1103                 spin_unlock(&lun->lun_sep_lock);
1104                 return -ENODEV;
1105         }
1106
1107         hba = dev->se_hba;
1108         ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
1109         spin_unlock(&lun->lun_sep_lock);
1110         return ret;
1111 }
1112 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
1113
1114 static ssize_t target_stat_scsi_transport_show_attr_device(
1115         struct se_port_stat_grps *pgrps, char *page)
1116 {
1117         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1118         struct se_port *sep;
1119         struct se_portal_group *tpg;
1120         ssize_t ret;
1121
1122         spin_lock(&lun->lun_sep_lock);
1123         sep = lun->lun_sep;
1124         if (!sep) {
1125                 spin_unlock(&lun->lun_sep_lock);
1126                 return -ENODEV;
1127         }
1128         tpg = sep->sep_tpg;
1129         /* scsiTransportType */
1130         ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
1131                         TPG_TFO(tpg)->get_fabric_name());
1132         spin_unlock(&lun->lun_sep_lock);
1133         return ret;
1134 }
1135 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
1136
1137 static ssize_t target_stat_scsi_transport_show_attr_indx(
1138         struct se_port_stat_grps *pgrps, char *page)
1139 {
1140         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1141         struct se_port *sep;
1142         struct se_portal_group *tpg;
1143         ssize_t ret;
1144
1145         spin_lock(&lun->lun_sep_lock);
1146         sep = lun->lun_sep;
1147         if (!sep) {
1148                 spin_unlock(&lun->lun_sep_lock);
1149                 return -ENODEV;
1150         }
1151         tpg = sep->sep_tpg;
1152         ret = snprintf(page, PAGE_SIZE, "%u\n",
1153                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1154         spin_unlock(&lun->lun_sep_lock);
1155         return ret;
1156 }
1157 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
1158
1159 static ssize_t target_stat_scsi_transport_show_attr_dev_name(
1160         struct se_port_stat_grps *pgrps, char *page)
1161 {
1162         struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
1163         struct se_device *dev = lun->lun_se_dev;
1164         struct se_port *sep;
1165         struct se_portal_group *tpg;
1166         struct t10_wwn *wwn;
1167         ssize_t ret;
1168
1169         spin_lock(&lun->lun_sep_lock);
1170         sep = lun->lun_sep;
1171         if (!sep) {
1172                 spin_unlock(&lun->lun_sep_lock);
1173                 return -ENODEV;
1174         }
1175         tpg = sep->sep_tpg;
1176         wwn = DEV_T10_WWN(dev);
1177         /* scsiTransportDevName */
1178         ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
1179                         TPG_TFO(tpg)->tpg_get_wwn(tpg),
1180                         (strlen(wwn->unit_serial)) ? wwn->unit_serial :
1181                         wwn->vendor);
1182         spin_unlock(&lun->lun_sep_lock);
1183         return ret;
1184 }
1185 DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
1186
1187 CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
1188                 scsi_transport_group);
1189
1190 static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
1191         &target_stat_scsi_transport_inst.attr,
1192         &target_stat_scsi_transport_device.attr,
1193         &target_stat_scsi_transport_indx.attr,
1194         &target_stat_scsi_transport_dev_name.attr,
1195         NULL,
1196 };
1197
1198 static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
1199         .show_attribute         = target_stat_scsi_transport_attr_show,
1200         .store_attribute        = target_stat_scsi_transport_attr_store,
1201 };
1202
1203 static struct config_item_type target_stat_scsi_transport_cit = {
1204         .ct_item_ops            = &target_stat_scsi_transport_attrib_ops,
1205         .ct_attrs               = target_stat_scsi_transport_attrs,
1206         .ct_owner               = THIS_MODULE,
1207 };
1208
1209 /*
1210  * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
1211  * the target port statistics groups + configfs CITs located in target_core_stat.c
1212  */
1213 void target_stat_setup_port_default_groups(struct se_lun *lun)
1214 {
1215         struct config_group *port_stat_grp = &PORT_STAT_GRP(lun)->stat_group;
1216
1217         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_port_group,
1218                         "scsi_port", &target_stat_scsi_port_cit);
1219         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_tgt_port_group,
1220                         "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
1221         config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_transport_group,
1222                         "scsi_transport", &target_stat_scsi_transport_cit);
1223
1224         port_stat_grp->default_groups[0] = &PORT_STAT_GRP(lun)->scsi_port_group;
1225         port_stat_grp->default_groups[1] = &PORT_STAT_GRP(lun)->scsi_tgt_port_group;
1226         port_stat_grp->default_groups[2] = &PORT_STAT_GRP(lun)->scsi_transport_group;
1227         port_stat_grp->default_groups[3] = NULL;
1228 }
1229
1230 /*
1231  * SCSI Authorized Initiator Table
1232  */
1233
1234 CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
1235 #define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode)                      \
1236 static struct target_stat_scsi_auth_intr_attribute                      \
1237                         target_stat_scsi_auth_intr_##_name =            \
1238         __CONFIGFS_EATTR(_name, _mode,                                  \
1239         target_stat_scsi_auth_intr_show_attr_##_name,                   \
1240         target_stat_scsi_auth_intr_store_attr_##_name);
1241
1242 #define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name)                          \
1243 static struct target_stat_scsi_auth_intr_attribute                      \
1244                         target_stat_scsi_auth_intr_##_name =            \
1245         __CONFIGFS_EATTR_RO(_name,                                      \
1246         target_stat_scsi_auth_intr_show_attr_##_name);
1247
1248 static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
1249         struct se_ml_stat_grps *lgrps, char *page)
1250 {
1251         struct se_lun_acl *lacl = container_of(lgrps,
1252                         struct se_lun_acl, ml_stat_grps);
1253         struct se_node_acl *nacl = lacl->se_lun_nacl;
1254         struct se_dev_entry *deve;
1255         struct se_portal_group *tpg;
1256         ssize_t ret;
1257
1258         spin_lock_irq(&nacl->device_list_lock);
1259         deve = &nacl->device_list[lacl->mapped_lun];
1260         if (!deve->se_lun || !deve->se_lun_acl) {
1261                 spin_unlock_irq(&nacl->device_list_lock);
1262                 return -ENODEV;
1263         }
1264         tpg = nacl->se_tpg;
1265         /* scsiInstIndex */
1266         ret = snprintf(page, PAGE_SIZE, "%u\n",
1267                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1268         spin_unlock_irq(&nacl->device_list_lock);
1269         return ret;
1270 }
1271 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
1272
1273 static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
1274         struct se_ml_stat_grps *lgrps, char *page)
1275 {
1276         struct se_lun_acl *lacl = container_of(lgrps,
1277                         struct se_lun_acl, ml_stat_grps);
1278         struct se_node_acl *nacl = lacl->se_lun_nacl;
1279         struct se_dev_entry *deve;
1280         struct se_lun *lun;
1281         struct se_portal_group *tpg;
1282         ssize_t ret;
1283
1284         spin_lock_irq(&nacl->device_list_lock);
1285         deve = &nacl->device_list[lacl->mapped_lun];
1286         if (!deve->se_lun || !deve->se_lun_acl) {
1287                 spin_unlock_irq(&nacl->device_list_lock);
1288                 return -ENODEV;
1289         }
1290         tpg = nacl->se_tpg;
1291         lun = deve->se_lun;
1292         /* scsiDeviceIndex */
1293         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1294         spin_unlock_irq(&nacl->device_list_lock);
1295         return ret;
1296 }
1297 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
1298
1299 static ssize_t target_stat_scsi_auth_intr_show_attr_port(
1300         struct se_ml_stat_grps *lgrps, char *page)
1301 {
1302         struct se_lun_acl *lacl = container_of(lgrps,
1303                         struct se_lun_acl, ml_stat_grps);
1304         struct se_node_acl *nacl = lacl->se_lun_nacl;
1305         struct se_dev_entry *deve;
1306         struct se_portal_group *tpg;
1307         ssize_t ret;
1308
1309         spin_lock_irq(&nacl->device_list_lock);
1310         deve = &nacl->device_list[lacl->mapped_lun];
1311         if (!deve->se_lun || !deve->se_lun_acl) {
1312                 spin_unlock_irq(&nacl->device_list_lock);
1313                 return -ENODEV;
1314         }
1315         tpg = nacl->se_tpg;
1316         /* scsiAuthIntrTgtPortIndex */
1317         ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
1318         spin_unlock_irq(&nacl->device_list_lock);
1319         return ret;
1320 }
1321 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
1322
1323 static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
1324         struct se_ml_stat_grps *lgrps, char *page)
1325 {
1326         struct se_lun_acl *lacl = container_of(lgrps,
1327                         struct se_lun_acl, ml_stat_grps);
1328         struct se_node_acl *nacl = lacl->se_lun_nacl;
1329         struct se_dev_entry *deve;
1330         ssize_t ret;
1331
1332         spin_lock_irq(&nacl->device_list_lock);
1333         deve = &nacl->device_list[lacl->mapped_lun];
1334         if (!deve->se_lun || !deve->se_lun_acl) {
1335                 spin_unlock_irq(&nacl->device_list_lock);
1336                 return -ENODEV;
1337         }
1338         /* scsiAuthIntrIndex */
1339         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1340         spin_unlock_irq(&nacl->device_list_lock);
1341         return ret;
1342 }
1343 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
1344
1345 static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
1346         struct se_ml_stat_grps *lgrps, char *page)
1347 {
1348         struct se_lun_acl *lacl = container_of(lgrps,
1349                         struct se_lun_acl, ml_stat_grps);
1350         struct se_node_acl *nacl = lacl->se_lun_nacl;
1351         struct se_dev_entry *deve;
1352         ssize_t ret;
1353
1354         spin_lock_irq(&nacl->device_list_lock);
1355         deve = &nacl->device_list[lacl->mapped_lun];
1356         if (!deve->se_lun || !deve->se_lun_acl) {
1357                 spin_unlock_irq(&nacl->device_list_lock);
1358                 return -ENODEV;
1359         }
1360         /* scsiAuthIntrDevOrPort */
1361         ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
1362         spin_unlock_irq(&nacl->device_list_lock);
1363         return ret;
1364 }
1365 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
1366
1367 static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
1368         struct se_ml_stat_grps *lgrps, char *page)
1369 {
1370         struct se_lun_acl *lacl = container_of(lgrps,
1371                         struct se_lun_acl, ml_stat_grps);
1372         struct se_node_acl *nacl = lacl->se_lun_nacl;
1373         struct se_dev_entry *deve;
1374         ssize_t ret;
1375
1376         spin_lock_irq(&nacl->device_list_lock);
1377         deve = &nacl->device_list[lacl->mapped_lun];
1378         if (!deve->se_lun || !deve->se_lun_acl) {
1379                 spin_unlock_irq(&nacl->device_list_lock);
1380                 return -ENODEV;
1381         }
1382         /* scsiAuthIntrName */
1383         ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
1384         spin_unlock_irq(&nacl->device_list_lock);
1385         return ret;
1386 }
1387 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
1388
1389 static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
1390         struct se_ml_stat_grps *lgrps, char *page)
1391 {
1392         struct se_lun_acl *lacl = container_of(lgrps,
1393                         struct se_lun_acl, ml_stat_grps);
1394         struct se_node_acl *nacl = lacl->se_lun_nacl;
1395         struct se_dev_entry *deve;
1396         ssize_t ret;
1397
1398         spin_lock_irq(&nacl->device_list_lock);
1399         deve = &nacl->device_list[lacl->mapped_lun];
1400         if (!deve->se_lun || !deve->se_lun_acl) {
1401                 spin_unlock_irq(&nacl->device_list_lock);
1402                 return -ENODEV;
1403         }
1404         /* FIXME: scsiAuthIntrLunMapIndex */
1405         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1406         spin_unlock_irq(&nacl->device_list_lock);
1407         return ret;
1408 }
1409 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
1410
1411 static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
1412         struct se_ml_stat_grps *lgrps, char *page)
1413 {
1414         struct se_lun_acl *lacl = container_of(lgrps,
1415                         struct se_lun_acl, ml_stat_grps);
1416         struct se_node_acl *nacl = lacl->se_lun_nacl;
1417         struct se_dev_entry *deve;
1418         ssize_t ret;
1419
1420         spin_lock_irq(&nacl->device_list_lock);
1421         deve = &nacl->device_list[lacl->mapped_lun];
1422         if (!deve->se_lun || !deve->se_lun_acl) {
1423                 spin_unlock_irq(&nacl->device_list_lock);
1424                 return -ENODEV;
1425         }
1426         /* scsiAuthIntrAttachedTimes */
1427         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
1428         spin_unlock_irq(&nacl->device_list_lock);
1429         return ret;
1430 }
1431 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
1432
1433 static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
1434         struct se_ml_stat_grps *lgrps, char *page)
1435 {
1436         struct se_lun_acl *lacl = container_of(lgrps,
1437                         struct se_lun_acl, ml_stat_grps);
1438         struct se_node_acl *nacl = lacl->se_lun_nacl;
1439         struct se_dev_entry *deve;
1440         ssize_t ret;
1441
1442         spin_lock_irq(&nacl->device_list_lock);
1443         deve = &nacl->device_list[lacl->mapped_lun];
1444         if (!deve->se_lun || !deve->se_lun_acl) {
1445                 spin_unlock_irq(&nacl->device_list_lock);
1446                 return -ENODEV;
1447         }
1448         /* scsiAuthIntrOutCommands */
1449         ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
1450         spin_unlock_irq(&nacl->device_list_lock);
1451         return ret;
1452 }
1453 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
1454
1455 static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
1456         struct se_ml_stat_grps *lgrps, char *page)
1457 {
1458         struct se_lun_acl *lacl = container_of(lgrps,
1459                         struct se_lun_acl, ml_stat_grps);
1460         struct se_node_acl *nacl = lacl->se_lun_nacl;
1461         struct se_dev_entry *deve;
1462         ssize_t ret;
1463
1464         spin_lock_irq(&nacl->device_list_lock);
1465         deve = &nacl->device_list[lacl->mapped_lun];
1466         if (!deve->se_lun || !deve->se_lun_acl) {
1467                 spin_unlock_irq(&nacl->device_list_lock);
1468                 return -ENODEV;
1469         }
1470         /* scsiAuthIntrReadMegaBytes */
1471         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
1472         spin_unlock_irq(&nacl->device_list_lock);
1473         return ret;
1474 }
1475 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
1476
1477 static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
1478         struct se_ml_stat_grps *lgrps, char *page)
1479 {
1480         struct se_lun_acl *lacl = container_of(lgrps,
1481                         struct se_lun_acl, ml_stat_grps);
1482         struct se_node_acl *nacl = lacl->se_lun_nacl;
1483         struct se_dev_entry *deve;
1484         ssize_t ret;
1485
1486         spin_lock_irq(&nacl->device_list_lock);
1487         deve = &nacl->device_list[lacl->mapped_lun];
1488         if (!deve->se_lun || !deve->se_lun_acl) {
1489                 spin_unlock_irq(&nacl->device_list_lock);
1490                 return -ENODEV;
1491         }
1492         /* scsiAuthIntrWrittenMegaBytes */
1493         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
1494         spin_unlock_irq(&nacl->device_list_lock);
1495         return ret;
1496 }
1497 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
1498
1499 static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
1500         struct se_ml_stat_grps *lgrps, char *page)
1501 {
1502         struct se_lun_acl *lacl = container_of(lgrps,
1503                         struct se_lun_acl, ml_stat_grps);
1504         struct se_node_acl *nacl = lacl->se_lun_nacl;
1505         struct se_dev_entry *deve;
1506         ssize_t ret;
1507
1508         spin_lock_irq(&nacl->device_list_lock);
1509         deve = &nacl->device_list[lacl->mapped_lun];
1510         if (!deve->se_lun || !deve->se_lun_acl) {
1511                 spin_unlock_irq(&nacl->device_list_lock);
1512                 return -ENODEV;
1513         }
1514         /* FIXME: scsiAuthIntrHSOutCommands */
1515         ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
1516         spin_unlock_irq(&nacl->device_list_lock);
1517         return ret;
1518 }
1519 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
1520
1521 static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
1522         struct se_ml_stat_grps *lgrps, char *page)
1523 {
1524         struct se_lun_acl *lacl = container_of(lgrps,
1525                         struct se_lun_acl, ml_stat_grps);
1526         struct se_node_acl *nacl = lacl->se_lun_nacl;
1527         struct se_dev_entry *deve;
1528         ssize_t ret;
1529
1530         spin_lock_irq(&nacl->device_list_lock);
1531         deve = &nacl->device_list[lacl->mapped_lun];
1532         if (!deve->se_lun || !deve->se_lun_acl) {
1533                 spin_unlock_irq(&nacl->device_list_lock);
1534                 return -ENODEV;
1535         }
1536         /* scsiAuthIntrLastCreation */
1537         ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
1538                                 INITIAL_JIFFIES) * 100 / HZ));
1539         spin_unlock_irq(&nacl->device_list_lock);
1540         return ret;
1541 }
1542 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
1543
1544 static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
1545         struct se_ml_stat_grps *lgrps, char *page)
1546 {
1547         struct se_lun_acl *lacl = container_of(lgrps,
1548                         struct se_lun_acl, ml_stat_grps);
1549         struct se_node_acl *nacl = lacl->se_lun_nacl;
1550         struct se_dev_entry *deve;
1551         ssize_t ret;
1552
1553         spin_lock_irq(&nacl->device_list_lock);
1554         deve = &nacl->device_list[lacl->mapped_lun];
1555         if (!deve->se_lun || !deve->se_lun_acl) {
1556                 spin_unlock_irq(&nacl->device_list_lock);
1557                 return -ENODEV;
1558         }
1559         /* FIXME: scsiAuthIntrRowStatus */
1560         ret = snprintf(page, PAGE_SIZE, "Ready\n");
1561         spin_unlock_irq(&nacl->device_list_lock);
1562         return ret;
1563 }
1564 DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
1565
1566 CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
1567                 scsi_auth_intr_group);
1568
1569 static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
1570         &target_stat_scsi_auth_intr_inst.attr,
1571         &target_stat_scsi_auth_intr_dev.attr,
1572         &target_stat_scsi_auth_intr_port.attr,
1573         &target_stat_scsi_auth_intr_indx.attr,
1574         &target_stat_scsi_auth_intr_dev_or_port.attr,
1575         &target_stat_scsi_auth_intr_intr_name.attr,
1576         &target_stat_scsi_auth_intr_map_indx.attr,
1577         &target_stat_scsi_auth_intr_att_count.attr,
1578         &target_stat_scsi_auth_intr_num_cmds.attr,
1579         &target_stat_scsi_auth_intr_read_mbytes.attr,
1580         &target_stat_scsi_auth_intr_write_mbytes.attr,
1581         &target_stat_scsi_auth_intr_hs_num_cmds.attr,
1582         &target_stat_scsi_auth_intr_creation_time.attr,
1583         &target_stat_scsi_auth_intr_row_status.attr,
1584         NULL,
1585 };
1586
1587 static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
1588         .show_attribute         = target_stat_scsi_auth_intr_attr_show,
1589         .store_attribute        = target_stat_scsi_auth_intr_attr_store,
1590 };
1591
1592 static struct config_item_type target_stat_scsi_auth_intr_cit = {
1593         .ct_item_ops            = &target_stat_scsi_auth_intr_attrib_ops,
1594         .ct_attrs               = target_stat_scsi_auth_intr_attrs,
1595         .ct_owner               = THIS_MODULE,
1596 };
1597
1598 /*
1599  * SCSI Attached Initiator Port Table
1600  */
1601
1602 CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
1603 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode)                 \
1604 static struct target_stat_scsi_att_intr_port_attribute                  \
1605                 target_stat_scsi_att_intr_port_##_name =                \
1606         __CONFIGFS_EATTR(_name, _mode,                                  \
1607         target_stat_scsi_att_intr_port_show_attr_##_name,               \
1608         target_stat_scsi_att_intr_port_store_attr_##_name);
1609
1610 #define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name)                     \
1611 static struct target_stat_scsi_att_intr_port_attribute                  \
1612                 target_stat_scsi_att_intr_port_##_name =                \
1613         __CONFIGFS_EATTR_RO(_name,                                      \
1614         target_stat_scsi_att_intr_port_show_attr_##_name);
1615
1616 static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
1617         struct se_ml_stat_grps *lgrps, char *page)
1618 {
1619         struct se_lun_acl *lacl = container_of(lgrps,
1620                         struct se_lun_acl, ml_stat_grps);
1621         struct se_node_acl *nacl = lacl->se_lun_nacl;
1622         struct se_dev_entry *deve;
1623         struct se_portal_group *tpg;
1624         ssize_t ret;
1625
1626         spin_lock_irq(&nacl->device_list_lock);
1627         deve = &nacl->device_list[lacl->mapped_lun];
1628         if (!deve->se_lun || !deve->se_lun_acl) {
1629                 spin_unlock_irq(&nacl->device_list_lock);
1630                 return -ENODEV;
1631         }
1632         tpg = nacl->se_tpg;
1633         /* scsiInstIndex */
1634         ret = snprintf(page, PAGE_SIZE, "%u\n",
1635                         TPG_TFO(tpg)->tpg_get_inst_index(tpg));
1636         spin_unlock_irq(&nacl->device_list_lock);
1637         return ret;
1638 }
1639 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
1640
1641 static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
1642         struct se_ml_stat_grps *lgrps, char *page)
1643 {
1644         struct se_lun_acl *lacl = container_of(lgrps,
1645                         struct se_lun_acl, ml_stat_grps);
1646         struct se_node_acl *nacl = lacl->se_lun_nacl;
1647         struct se_dev_entry *deve;
1648         struct se_lun *lun;
1649         struct se_portal_group *tpg;
1650         ssize_t ret;
1651
1652         spin_lock_irq(&nacl->device_list_lock);
1653         deve = &nacl->device_list[lacl->mapped_lun];
1654         if (!deve->se_lun || !deve->se_lun_acl) {
1655                 spin_unlock_irq(&nacl->device_list_lock);
1656                 return -ENODEV;
1657         }
1658         tpg = nacl->se_tpg;
1659         lun = deve->se_lun;
1660         /* scsiDeviceIndex */
1661         ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
1662         spin_unlock_irq(&nacl->device_list_lock);
1663         return ret;
1664 }
1665 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
1666
1667 static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
1668         struct se_ml_stat_grps *lgrps, char *page)
1669 {
1670         struct se_lun_acl *lacl = container_of(lgrps,
1671                         struct se_lun_acl, ml_stat_grps);
1672         struct se_node_acl *nacl = lacl->se_lun_nacl;
1673         struct se_dev_entry *deve;
1674         struct se_portal_group *tpg;
1675         ssize_t ret;
1676
1677         spin_lock_irq(&nacl->device_list_lock);
1678         deve = &nacl->device_list[lacl->mapped_lun];
1679         if (!deve->se_lun || !deve->se_lun_acl) {
1680                 spin_unlock_irq(&nacl->device_list_lock);
1681                 return -ENODEV;
1682         }
1683         tpg = nacl->se_tpg;
1684         /* scsiPortIndex */
1685         ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
1686         spin_unlock_irq(&nacl->device_list_lock);
1687         return ret;
1688 }
1689 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
1690
1691 static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
1692         struct se_ml_stat_grps *lgrps, char *page)
1693 {
1694         struct se_lun_acl *lacl = container_of(lgrps,
1695                         struct se_lun_acl, ml_stat_grps);
1696         struct se_node_acl *nacl = lacl->se_lun_nacl;
1697         struct se_session *se_sess;
1698         struct se_portal_group *tpg;
1699         ssize_t ret;
1700
1701         spin_lock_irq(&nacl->nacl_sess_lock);
1702         se_sess = nacl->nacl_sess;
1703         if (!se_sess) {
1704                 spin_unlock_irq(&nacl->nacl_sess_lock);
1705                 return -ENODEV;
1706         }
1707
1708         tpg = nacl->se_tpg;
1709         /* scsiAttIntrPortIndex */
1710         ret = snprintf(page, PAGE_SIZE, "%u\n",
1711                         TPG_TFO(tpg)->sess_get_index(se_sess));
1712         spin_unlock_irq(&nacl->nacl_sess_lock);
1713         return ret;
1714 }
1715 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
1716
1717 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
1718         struct se_ml_stat_grps *lgrps, char *page)
1719 {
1720         struct se_lun_acl *lacl = container_of(lgrps,
1721                         struct se_lun_acl, ml_stat_grps);
1722         struct se_node_acl *nacl = lacl->se_lun_nacl;
1723         struct se_dev_entry *deve;
1724         ssize_t ret;
1725
1726         spin_lock_irq(&nacl->device_list_lock);
1727         deve = &nacl->device_list[lacl->mapped_lun];
1728         if (!deve->se_lun || !deve->se_lun_acl) {
1729                 spin_unlock_irq(&nacl->device_list_lock);
1730                 return -ENODEV;
1731         }
1732         /* scsiAttIntrPortAuthIntrIdx */
1733         ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
1734         spin_unlock_irq(&nacl->device_list_lock);
1735         return ret;
1736 }
1737 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
1738
1739 static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
1740         struct se_ml_stat_grps *lgrps, char *page)
1741 {
1742         struct se_lun_acl *lacl = container_of(lgrps,
1743                         struct se_lun_acl, ml_stat_grps);
1744         struct se_node_acl *nacl = lacl->se_lun_nacl;
1745         struct se_session *se_sess;
1746         struct se_portal_group *tpg;
1747         ssize_t ret;
1748         unsigned char buf[64];
1749
1750         spin_lock_irq(&nacl->nacl_sess_lock);
1751         se_sess = nacl->nacl_sess;
1752         if (!se_sess) {
1753                 spin_unlock_irq(&nacl->nacl_sess_lock);
1754                 return -ENODEV;
1755         }
1756
1757         tpg = nacl->se_tpg;
1758         /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
1759         memset(buf, 0, 64);
1760         if (TPG_TFO(tpg)->sess_get_initiator_sid != NULL)
1761                 TPG_TFO(tpg)->sess_get_initiator_sid(se_sess,
1762                                 (unsigned char *)&buf[0], 64);
1763
1764         ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
1765         spin_unlock_irq(&nacl->nacl_sess_lock);
1766         return ret;
1767 }
1768 DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
1769
1770 CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
1771                 scsi_att_intr_port_group);
1772
1773 static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
1774         &target_stat_scsi_att_intr_port_inst.attr,
1775         &target_stat_scsi_att_intr_port_dev.attr,
1776         &target_stat_scsi_att_intr_port_port.attr,
1777         &target_stat_scsi_att_intr_port_indx.attr,
1778         &target_stat_scsi_att_intr_port_port_auth_indx.attr,
1779         &target_stat_scsi_att_intr_port_port_ident.attr,
1780         NULL,
1781 };
1782
1783 static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
1784         .show_attribute         = target_stat_scsi_att_intr_port_attr_show,
1785         .store_attribute        = target_stat_scsi_att_intr_port_attr_store,
1786 };
1787
1788 static struct config_item_type target_stat_scsi_att_intr_port_cit = {
1789         .ct_item_ops            = &target_stat_scsi_att_intr_port_attrib_ops,
1790         .ct_attrs               = target_stat_scsi_ath_intr_port_attrs,
1791         .ct_owner               = THIS_MODULE,
1792 };
1793
1794 /*
1795  * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
1796  * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
1797  */
1798 void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
1799 {
1800         struct config_group *ml_stat_grp = &ML_STAT_GRPS(lacl)->stat_group;
1801
1802         config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_auth_intr_group,
1803                         "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
1804         config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_att_intr_port_group,
1805                         "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
1806
1807         ml_stat_grp->default_groups[0] = &ML_STAT_GRPS(lacl)->scsi_auth_intr_group;
1808         ml_stat_grp->default_groups[1] = &ML_STAT_GRPS(lacl)->scsi_att_intr_port_group;
1809         ml_stat_grp->default_groups[2] = NULL;
1810 }